i1 : printingPrecision = 2
o1 = 2
|
i2 : R = RR_100
o2 = RR
100
o2 : RealField
|
i3 : M = 10*random(R^3,R^10)
o3 = | 2.6 5.8 9.2 3.8 5.8 .98 3.6 6.6 9 8 |
| 6.5 2.3 4.6 4.4 .46 5.9 6.9 7.5 2 5.7 |
| 9.2 .41 .18 9.9 2.7 9.6 1.7 4.6 8.4 9.5 |
3 10
o3 : Matrix R <--- R
|
i4 : norm M
o4 = 9.90285446845647868391740637066
o4 : RR (of precision 100)
|
i5 : norm_(numeric_20 infinity) M
o5 = 9.90285
o5 : RR (of precision 20)
|
i6 : norm {3/2,4,-5}
o6 = 5
|
The norm of a polynomial is the norm of the vector of its coefficients.